package day18.LX;


import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Lian03 {
    private static final Logger LOGGER= LoggerFactory.getLogger(Lian03.class);
    @Test
    public void text01(){
        System.out.println("hello");
        LOGGER.debug("hello");
        LOGGER.info("hello");
        LOGGER.warn("hello");
        LOGGER.error("hello");
    }
}
